CA1293758C - Relais piezoelectrique - Google Patents

Relais piezoelectrique

Info

Publication number: CA1293758C
Authority: CA; Canada
Prior art keywords: bimorph; relay; planar; bimorph member; piezoelectric
Prior art date: 1987-09-18
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired - Lifetime

Application number

CA000577112A

Other languages

English (en)

Inventor

James E. Kohl

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Pacific Bell Corp

General Electric Co

Original Assignee

Pacific Bell Corp

General Electric Co

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1987-09-18

Filing date

1988-09-12

Publication date

1991-12-31

1988-09-12 Application filed by Pacific Bell Corp, General Electric Co filed Critical Pacific Bell Corp

1991-12-31 Application granted granted Critical

1991-12-31 Publication of CA1293758C publication Critical patent/CA1293758C/fr

2008-12-31 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

239000000463 material Substances 0.000 claims abstract description 21
230000005684 electric field Effects 0.000 claims description 20
230000007935 neutral effect Effects 0.000 claims description 16
238000004353 relayed correlation spectroscopy Methods 0.000 abstract description 2
238000006073 displacement reaction Methods 0.000 description 15
238000000926 separation method Methods 0.000 description 6
230000010287 polarization Effects 0.000 description 5
230000000284 resting effect Effects 0.000 description 5
230000007423 decrease Effects 0.000 description 4
238000004519 manufacturing process Methods 0.000 description 4
239000004020 conductor Substances 0.000 description 3
230000004044 response Effects 0.000 description 3
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
230000008901 benefit Effects 0.000 description 2
230000008859 change Effects 0.000 description 2
238000002955 isolation Methods 0.000 description 2
HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical group [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 description 2
229910052451 lead zirconate titanate Inorganic materials 0.000 description 2
229910001369 Brass Inorganic materials 0.000 description 1
239000010951 brass Substances 0.000 description 1
238000010344 co-firing Methods 0.000 description 1
238000001816 cooling Methods 0.000 description 1
239000002184 metal Substances 0.000 description 1
229910052751 metal Inorganic materials 0.000 description 1
230000004048 modification Effects 0.000 description 1
238000012986 modification Methods 0.000 description 1
229910052759 nickel Inorganic materials 0.000 description 1
238000007747 plating Methods 0.000 description 1
230000009467 reduction Effects 0.000 description 1
238000003466 welding Methods 0.000 description 1

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H57/00—Electrostrictive relays; Piezoelectric relays

Landscapes

General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Micromachines (AREA)

CA000577112A 1987-09-18 1988-09-12 Relais piezoelectrique Expired - Lifetime CA1293758C (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US07/098,535 US5093600A (en)	1987-09-18	1987-09-18	Piezo-electric relay
US098,535		1987-09-18

Publications (1)

Publication Number	Publication Date
CA1293758C true CA1293758C (fr)	1991-12-31

Family

ID=22269730

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000577112A Expired - Lifetime CA1293758C (fr)	1987-09-18	1988-09-12	Relais piezoelectrique

Country Status (4)

Country	Link
US (1)	US5093600A (fr)
AU (1)	AU2539988A (fr)
CA (1)	CA1293758C (fr)
WO (1)	WO1989002659A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6057520A (en) *	1999-06-30	2000-05-02	Mcnc	Arc resistant high voltage micromachined electrostatic switch
US6229683B1 (en)	1999-06-30	2001-05-08	Mcnc	High voltage micromachined electrostatic switch
JP2004055410A (ja) *	2002-07-22	2004-02-19	Advantest Corp	バイモルフスイッチ、バイモルフスイッチ製造方法、電子回路、及び電子回路製造方法
US7656071B2 (en) *	2002-10-21	2010-02-02	Hrl Laboratories, Llc	Piezoelectric actuator for tunable electronic components
US7098577B2 (en) *	2002-10-21	2006-08-29	Hrl Laboratories, Llc	Piezoelectric switch for tunable electronic components
US7085121B2 (en) *	2002-10-21	2006-08-01	Hrl Laboratories, Llc	Variable capacitance membrane actuator for wide band tuning of microstrip resonators and filters
JP2007015067A (ja) *	2005-07-08	2007-01-25	Fujifilm Holdings Corp	微小薄膜可動素子及び微小薄膜可動素子アレイ並びに画像形成装置
US20080211353A1 (en) *	2007-03-02	2008-09-04	Charles Erklin Seeley	High temperature bimorph actuator
RU2391736C1 (ru) *	2009-04-09	2010-06-10	Открытое акционерное общество "Научно-исследовательский институт "Элпа" с опытным производством" (ОАО "НИИ "Элпа")	Пьезоэлектрическое реле и способ регулирования параметров реле
DE102011108949A1 (de)	2011-07-29	2013-01-31	Ceramtec Gmbh	Elektromagnetisches Relais

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3507054A (en) *	1967-09-25	1970-04-21	Whirlpool Co	Electronic control circuit for a dryer using a piezoelectric ceramic
JPS6230773Y2 (fr) *	1980-12-19	1987-08-07
US4395651A (en) *	1981-04-10	1983-07-26	Yujiro Yamamoto	Low energy relay using piezoelectric bender elements
US4620123A (en) *	1984-12-21	1986-10-28	General Electric Company	Synchronously operable electrical current switching apparatus having multiple circuit switching capability and/or reduced contact resistance
US4595855A (en) *	1984-12-21	1986-06-17	General Electric Company	Synchronously operable electrical current switching apparatus
US4620124A (en) *	1984-12-21	1986-10-28	General Electric Company	Synchronously operable electrical current switching apparatus having increased contact separation in the open position and increased contact closing force in the closed position

1987
- 1987-09-18 US US07/098,535 patent/US5093600A/en not_active Expired - Fee Related
1988
- 1988-09-12 CA CA000577112A patent/CA1293758C/fr not_active Expired - Lifetime
- 1988-09-16 WO PCT/US1988/003221 patent/WO1989002659A1/fr not_active Ceased
- 1988-09-16 AU AU25399/88A patent/AU2539988A/en not_active Abandoned

Also Published As

Publication number	Publication date
US5093600A (en)	1992-03-03
AU2539988A (en)	1989-04-17
WO1989002659A1 (fr)	1989-03-23

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Legal Events

Date	Code	Title	Description
1996-06-30	MKLA	Lapsed